back vs support

back and support both are nouns.

Word	Noun	Adjective	Verb	Adverb
back	Yes	Yes	Yes	Yes
support	Yes	No	Yes	No

As nouns, support is a hypernym of back; that is, support is a word with a broader meaning than back:

As verbs, support is a hypernym of back; that is, support is a word with a broader meaning than back:

Other hypernyms of back include affirm, confirm, corroborate, substantiate, sustain.

As verbs, back and support are synonyms defined as:

Other synonyms of back include endorse, indorse, plump for, plunk for.

As verbs, support is a hypernym of back; that is, support is a word with a broader meaning than back:

Other hypernyms of back include back up.

back (noun)	support (noun)
(American football) the position of a player on a football team who is stationed behind the line of scrimmage	aiding the cause or policy or interests of
the side that goes last or is not normally seen	the act of bearing the weight of or strengthening
a support that you can lean against while sitting	documentary validation
the part of a garment that covers the back of your body	a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission
the protective covering on the front, back, and spine of a book	the activity of providing for or maintaining by supplying with money or necessities
the posterior part of a human (or animal) body from the neck to the end of the spine	any device that bears the weight of another thing
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord	supporting structure that holds up or provides a foundation
the part of something that is furthest from the normal viewer	something providing immaterial assistance to a person or cause or interest
(football) a person who plays in the backfield	a musical part (vocal or instrumental) that supports or provides background for other musical parts
	the financial means whereby one lives
	financial resources provided to make some project possible

back (adjective)	support (adjective)
related to or located at the back
of an earlier date
located at or near the back of an animal

back (verb)	support (verb)
establish as valid or genuine	establish or strengthen as with new evidence or facts
strengthen by providing with a back or backing	put up with something or somebody unpleasant
shift to a counterclockwise direction	adopt as a belief
place a bet on	argue or speak in defense of
travel backward	be a regular customer or client of
cause to travel backward	be the physical support of; carry the weight of
support financial backing for	play a subordinate role to (another performer)
be behind; approve of	support materially or financially
give support or one's approval to	give moral or psychological support, aid, or courage to
be in back of	be behind; approve of
	support with evidence or authority or make more certain or confirm

back (adverb)	support (adverb)
at or to or toward the back or rear
in or to or toward a past time
in repayment or retaliation
in or to or toward a former location
in or to or toward an original condition
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